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Job Description

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This postdoctoral position is a temporary position for up to one year, which may be renewed at Sandia's discretion up to five additional years\. The PhD must have been conferred within five years prior to employment\.

Individuals in postdoctoral positions may bid on regular Sandia positions as internal candidates, and in some cases may be converted to regular career positions during their term if warranted by ongoing operational needs, continuing availability of funds, and satisfactory job performance\.

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We are seeking a Postdoctoral Appointee to join a dynamic, multi\-disciplinary team of computational scientists and experimentalists working together to develop computational models to predict mechanical behavior of solid materials under shock loading\. The model is based on the peridynamics method, a non\-local model that has been shown to be an effective multiscale materials model particularly for high strains, high strain rates and fracture, and on traditional FE methods\. Are you passionate about multiscale modelling and seeking the opportunity to develop code that simulates shock response at the continuum macroscale but is material microstructure aware with the ability to adapt to simulate material with highly varied microstructures ranging from single phase, homogeneous materials to complex composites? If so, you will want to apply for this opportunity\.

On any given day, you may be called on to:

+ Use, develop, and apply mechanics models to identify creative solutions to challenges in materials modeling+ Collaborate with experts in a variety of fields to tackle meaningful problems+ Augment the existing body of knowledge through publication and presentation of research

Required:

+ PhD, conferred within 5 years prior to employment, in physics, materials science, mechanical engineering, or relevant STEM discipline+ Experience in scientific computing of mechanical behavior of solid materials+ Experience using, developing, and applying mechanics models such as peridynamics, finite elements methods or other materials mechanics models+ Good communication skills as evidenced by a record of publication of results in peer\-reviewed journals and external presentations at scientific conferences

Desired:

+ Knowledge of computational modeling and simulation, especially of shock response of solid materials+ Experience in modeling microstructural effects on mechanical properties and understanding of materials mechanics and thermodynamics+ Experience with the peridynamics or non\-local methods+ Ability to interact well with fellow technical workers of diverse technical backgrounds+ Experience with advanced codes for engineering simulation running on massively parallel computing clusters and GPU \+ CPU hybrid systems+ Experience with code verification and modern software quality practices+ Software development experience, including working with development teams using object\-oriented frameworks

Department Description:

The Multiscale Sciences Department develops advanced materials simulation capabilities at scales ranging from electronic and atomistic scales to the continuum engineering scale that utilize high\-performance computational methods to solve currently intractable problems of national importance\. The department is involved in national security and nuclear energy modeling and simulation initiatives\. The department also leads efforts to develop peridynamics and non\-local gradient free methods for solid mechanics applications involving fracture, failure, and fragmentation\.

About Sandia:

Sandia National Laboratories is the nation’s premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting\-edge work in a broad array of areas\. Some of the main reasons we love our jobs:

+ Challenging work withamazingimpact that contributes to security, peace, and freedom worldwide+ Extraordinary co\-workers+ Some of the best tools, equipment, and research facilities in the world+ Career advancement and enrichment opportunities+ Flexible schedules, generous vacations,strongmedical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance\*

Sandia is required by DOE directive to conduct a pre\-employment drug testing, and a pre\-employment background review that includes personal reference checks, law enforcement record and credit checks, and employment and education verifications\. Applicants for employment must be able to obtain and maintain a DOE Q\-level security clearance, which requires U\.S\. citizenship\.

Applicants offered employment with Sandia are subject to a federal background investigation to meet the requirements for access to classified information or matter if the duties of the position require a DOE security clearance\. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause a clearance to be denied or terminated by the DOE, rendering the inability to perform the duties assigned and resulting in termination of employment\.

About Sandia National Laboratories

Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin company, for the U.S. Department of Energy. With main facilities in Albuquerque, NM, and Livermore, CA, Sandia has major R&D responsibilities in national security, energy and environmental technologies, and economic competitiveness.